Sökning: "leakage current measurements"

Visar resultat 26 - 30 av 36 avhandlingar innehållade orden leakage current measurements.

1. 26. InAs/AlSb HEMTs for Cryogenic Low-Noise Applications

   Författare :Giuseppe Moschetti; Chalmers tekniska högskola; []
   Nyckelord :TEKNIK OCH TEKNOLOGIER; ENGINEERING AND TECHNOLOGY; cryogenic; metamorphic; high frequency; high electron mobility transistor HEMT ; low power; low noise.; InAs AlSb;

   Sammanfattning : The InAs/AlSb high electron mobility transistor (HEMT) is an emerging microwave device technology. The high electron mobility and high peak electron velocity of the InAs channel makes this device technology a potential candidate for low-noise applications operating at very low power dissipation. LÄS MER

3. 27. Electron Transport in Quantum Dots Defined in Low-Dimensional Semiconductor Structures

   Författare :Marcus Larsson; Fasta tillståndets fysik; []
   Nyckelord :NATURVETENSKAP; NATURAL SCIENCES;

   Sammanfattning : This thesis focuses on electron transport in single and double quantum dots defined in low-dimensional, narrow-band-gap III-V semiconductor materials. Fabrication schemes are presented for defining single and double quantum dots in lateral InGaAs/InP heterostructures, either by a combination of etching and local gating or solely by local top gating. LÄS MER

4. 28. On the supraharmonics in single-phase and three-phase installations

   Författare :Jil Sutaria; Sarah Rönnberg; Math Bollen; Andrés Pavas Martinez; Luleå tekniska universitet; []
   Nyckelord :TEKNIK OCH TEKNOLOGIER; ENGINEERING AND TECHNOLOGY; Electric Power Engineering; Elkraftteknik;

   Sammanfattning : Society has increasingly started depending on the continuity of internet services, the interruption can be crucial for vital societal functions. It is therefore important to maintain continuous and reliable operations of e.g., installations housing sensitive IT (Information Technology) loads. LÄS MER

5. 29. Wireless High-Temperature Monitoring of Power Semiconductors : A Single-Chip Approach

   Författare :Joakim Nilsson; Jonny Johansson; Johan Borg; Johan Sidén; Luleå tekniska universitet; []
   Nyckelord :TEKNIK OCH TEKNOLOGIER; ENGINEERING AND TECHNOLOGY; TEKNIK OCH TEKNOLOGIER; ENGINEERING AND TECHNOLOGY; Industrial Electronics; Industriell elektronik;

   Sammanfattning : Because failures in power electronic equipment can cause production stops and unnecessary damage to interconnected equipment, monitoring schemes that are able to predict such failures provide various economic and safety benefits. The primary motivation for this thesis is that such monitoring schemes can increase the reliability of energy production plants. LÄS MER

7. 30. Experimental and theoretical investigations of electron-waveguide devices

   Författare :Jan-Olof Wesström; KTH; []
   Nyckelord :;

   Sammanfattning : This thesis treats electron-waveguide devices bothexperimentally and theoretically. A fabrication method forelectron-waveguide devices with trench-isolated in plane gateswas developed in the In0.53Ga0.47As/InP material system. LÄS MER